Improving Testing Time at Streema

At Streema we like to develop at a fast pace. One of the things that allows us to do that is to have an automatically tested codebase. We want to always be shipping and having our apps tested gives us some degree of confidence that we won't break it all each time we commit a change.

But running tests takes time. A few months ago our unit tests were taking over 12 minutes to run. Each time someone wanted to run the tests, the situation was pretty much like this: